When it comes to delivering those all important B-sides, Girls Aloud have maintained impressively high standards in recent years. From the cheeky digs at the indie boys on 'Hoxton Heroes' to the eerie electro of 'Memory Of You' to their recent 'Megamix', they haven't disappointed. For that reason, getting hold of the flipside to new single 'Untouchable' is enough to make your legs start quivering before you've even given it a spin.

Advertisement - Continue Reading Below

Well, it comes as no great surprise that 'It's Your Dynamite' matches the standard set on their previous releases. Operating at the "very banging" end of the electropop spectrum, it features a slightly more old-school feel than what we've come to expect from Girls Aloud of late, but it's by no means outdated. Sarah kicks things off with a gritty vocal placed over a grinding bassline, with the baton then passed over to Cheryl, who neatly leads us to a stomping Hi-NRG chorus.

It's all a bit of a treat for the ears, but giving 'Dynamite' that extra edge is the rave-like sequence that follows each chorus and bears the hallmarks of something Ms. Harding could be found necking vodkas to on one of her infamous nights on the tiles. The full version of 'It's Your Dynamite' is available on the 'Untouchable' CD single, out on Monday, but here's a 30-second clip to get those juices flowing:

What do you think of 'It's Your Dynamite? Is it up there with Girls Aloud's best B-sides? Use the space below to leave your comments.